At first, everyone said give it a few weeks. Then a few months. Now it’s been two years, maybe three or four, and you still aren’t the person you were. People around you have moved on. You may have stopped mentioning it.
If that’s where you are, you’re not imagining it, and you’re not alone.
What research says about long-lasting symptoms
Most people recover from COVID within weeks. A meaningful group does not.
A U.S. Department of Veterans Affairs study (Bowe, Xie, and Al-Aly, Nature Medicine, 2023) followed people for two years after infection. The elevated risk of many post-COVID health problems declined over time. For some conditions, though, the risk remained higher at two years than in people who had not been infected, particularly among those who had been hospitalized.
The 2024 National Academies definition describes long COVID as a condition that can be continuous, relapsing and remitting, or progressive. In other words, it doesn’t follow a single timeline.
Why symptoms can persist
Researchers are investigating several possible reasons long COVID lasts, and more than one may apply:
- Persistent immune activation, including autoantibodies seen in some patients.
- Viral remnants: fragments of virus detected in tissues months after infection in some studies.
- Reactivation of dormant viruses, such as Epstein-Barr virus, reported in some patients.
- Autonomic dysfunction: problems with the system that regulates heart rate, blood pressure, and digestion.
- Reinfections, which can restart or worsen symptoms.
- Cycles of overexertion and crashing, which can keep someone stuck.
The “still sick” pattern often changes over time
The symptoms you have now may not be the ones you started with. Early on, cough and shortness of breath might have dominated. Years later, many people describe a different mix:
- exhaustion after activity,
- a racing heart on standing,
- brain fog,
- gut problems,
- new reactions to foods, smells, or medications, and
- unrefreshing sleep.
An evaluation that looks only at your original symptoms can miss what’s driving things now.
What to do after years of dead ends
- Start with a clean timeline. Write down when each symptom started, what changed it, and any reinfections. It often reveals more than another round of the same tests.
- Bring everything. Past labs, imaging, and specialist notes help avoid repetition and show trends. Our lab testing page explains the testing we use when more information would actually help.
- Look at the whole pattern. Symptoms that seem unrelated, like dizziness, constipation, and brain fog, often share a common thread.
- Watch for other conditions. Years of symptoms don’t mean everything is long COVID. New or worsening problems deserve their own evaluation.
Warning signs that need prompt evaluation
See a clinician promptly for:
- unintentional weight loss,
- fevers or night sweats,
- new neurological symptoms, or
- symptoms that are steadily worsening rather than fluctuating.
Call 911 for chest pain, trouble breathing, or stroke symptoms.
Serving Oklahoma City, Tulsa, and all of Oklahoma
Venturis Clinic sees patients from Oklahoma City and surrounding areas, including Tulsa, and from across Oklahoma, many after years of searching. Learn more on our Long COVID Treatment in Oklahoma City page.
Frequently asked questions
Can long COVID last for years? Yes. Research has documented persistent symptoms two or more years after infection in a subset of people.
Is it too late to get evaluated? No. Symptoms that have lasted years still deserve a careful evaluation, and the current pattern is often different from the one you started with.
Can a reinfection make long COVID worse? Some people report worsening or new symptoms after reinfection. It’s worth noting in your timeline.
Could my symptoms be something other than long COVID? Possibly. A good evaluation considers other explanations rather than assuming everything is post-COVID.
Ready for a fresh look? Book a free 15-minute discovery call, or learn more about long COVID care in Oklahoma City.
This page is for educational purposes and is not a substitute for individual evaluation.
By Alvin Philipose, DC, ICCP
Sources
- Bowe B, Xie Y, Al-Aly Z. Postacute sequelae of COVID-19 at 2 years. Nature Medicine. 2023;29:2347–2357.
- National Academies of Sciences, Engineering, and Medicine. A Long COVID Definition. 2024.